@mixin section-border($color) {
    border-color: tint($color, 25%);
    background-color: tint($color, 85%);

    span {
        color: $color;
    }
}

@mixin bp($bp) {
    @if $bp == small {
        @media (max-width: 65em) {
            @content;
        }
    } 

    @else if $bp == large {
        @media (min-width: 65em) {
            @content;
        }
    }
}